Lamp



FIG. 1 is a perspective view of a lamp showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a perspective view of a second embodiment of a lamp showing the new design; and,

FIG. 9 is a front view of a lamp, with the left, right, top, bottom and rear views identical to the views shown in FIGS. 3-7, respectively.

The broken lines shown in the drawings illustrate portions of the lamp that form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 